Shellfish gauges



FIG. 1 is a front elevation view of a first embodiment of the shellfish gauge; the rear elevation view is a mirror image of the front, and therefore is not shown.

FIG. 2 is a right elevation view of a first embodiment of the shellfish gauge; the left elevation view is a mirror image of the right, and therefore is not shown.

FIG. 3 is a top view of a first embodiment of the shellfish gauge; and

FIG. 4 is a bottom view of a first embodiment of the shellfish gauge. 

The ornamental design for shellfish gauges, as shown. 